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<?php $g = function (): Generator { yield from [1,2,3,4]; }; echo "$i + "; $g = $g(); foreach($g as $h) { print "h:$h - "; foreach($g as $i) { echo "i:$i + "; break 1; } }
Output for git.master, git.master_jit, rfc.property-hooks
Warning: Undefined variable $i in /in/J6iLN on line 5 + h:1 - i:1 + h:2 - Fatal error: Uncaught Exception: Cannot rewind a generator that was already run in /in/J6iLN:11 Stack trace: #0 {main} thrown in /in/J6iLN on line 11
Process exited with code 255.

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